Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Micrograph of amoeba.  Live specimen. Wet mount, 40X objective, transmitted brightfield illumination. Note - motion blur of live animal, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.
centropyxis aculeata (amoeboid organism) under the microscope - optical microscope x400 magnification
asian female working in greenhouse
Freshwater aquatic zooplankton and algae under microscope view
Freshwater aquatic plankton under microscope view
plant Zea Stem C.S. under light mircoscope with white background
Microscopic Rotifer or Rotifera under a microscope, freshwater bentic organism filtering water.
Plant specimens are placed in test tubes
Copepod with egg sacs. Live specimen. Wet mount, 10X objective, combination of transmitted brightfield illumination.
a photography of a bush with pink flowers in a garden.
Planarian parasite (flatworm) under microscope view.
Close up of plastic waste in water body with fish in it
Diatoms are photosynthesising algae, they have a siliceous skeleton (frustule) and are found in almost every aquatic environment including fresh and marine waters, soils, in fact almost anywhere moist.
Tree in garden landscaping decoration art design
Daphnia - micro organism
Scientist's hand Collecting data for research.
Photomicrograph of two rotifers. Rapidly rotating cilia at top of heads, internal organs visible. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.
3D render tree in square pickup on white background
Notoedres cati under the microscope. Notoedric mange, also referred to as Feline scabies, is a highly contagious skin infestation caused by an ectoparasitic and skin burrowing mite Notoedres cati.
Episcia Emerald Velvet plant in botanic garden of Rama 9 Park in Bangkok
Microscopic view of phytoplankton
Laboratory concept with fresh seaweed and transparent liquid filled in the glassware. Square-shaped podium with vacant space for product promotion
Christmas, New Year Concept. 3D Rendering Abstract Large group of Flying Christmas Ornaments with frame, Iridescent Colors.
Plants and flowers in Zurich
Urothelial carcinoma, high grade.  High-grade tumors have an aggressive appearance under a microscope and are assumed invasive in the kidney or ureter.
Microorganism - rotifer
Four different stages of a trees lifecycle are presented in a progressive sequence from left to right. Each stage, from a seedling to a mature tree, is placed atop a cylindrical pedestal with colors transitioning from red to blue, symbolizing growth and development.
Photomicrograph of Paramecium caudatum. Consists of only one cell. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.
Tree on a white background
Free Images: "bestof:biml droege usgs barc taxonomy:binomial=lasioglossum creberriumum taxonomy:binomial=lasioglossumcreberriumum lasioglossum creberrimum lasioglossumcreberrimum"
Lasioglossum_creberrimum,_F,_back1,_Texas_2012-10-25-12.54.52_ZS_PMax.jpg
Lasioglossum_creberrimum,_U,_back2,_Texas_2012-10-25-14.47.52_ZS_PMax.jpg
Lasioglossum_creberrimum,_U,_side,_Texas_2012-10-25-15.01.17_ZS_PMax.jpg
Lasioglossum_eleutherense,_face_2012-08-01-14.00.43_ZS_PMax.jpg
Lasioglossum_eleutherense,_side_2012-08-01-14.13.15_ZS_PMax.jpg
Lasioglossum_laevissimum,_F,_back,_Montana_2012-10-16-15.44.34_ZS_PMax.jpg
Lasioglossum_laevissimum,_F,_side,_Montana_2012-10-15-16.26.28_ZS_PMax.jpg
Lasioglossum_laevissimum,_F,_face,_Montana_2012-10-15-16.37.01_ZS_PMax.jpg
Lasioglossum_tarponense,_F,_back1,_Nacodoches_County,Texas_2012-10-18-14.32.41_ZS_PMax.jpg
Lasioglossum_tarponense,_F,_Back2,_Nacodoches_County,_Texas_2012-10-18-14.39.07_ZS_PMax.jpg
Lasioglossum_pruinosum,_F,_rt_side,_Sleeping_Bear_Dunes,_Michigan_2012-10-17-10.52.34_ZS_PMax.jpg
Lasioglossum_tarponense,_F,_face,_Nacogodoches_County,_Texas_2012-10-17-11.05.33_ZS_PMax.jpg
Lasioglossum_taylorae,_F,_back2_2013-01-04-15.10.02_ZS_PMax.jpg
Lasioglossum_taylorae,_F,_face_2013-01-04-15.22.40_ZS_PMax.jpg
Lasioglossum_taylorae,_F,_side_2013-01-04-15.30.37_ZS_PMax.jpg
Lasioglossum_taylorae,_F,_back1_2013-01-04-15.02.01_ZS_PMax.jpg
Lasioglossum_pictum,_unknown,_face_2012-07-19-17.jpg
Lasioglossum_leucozonium,_back_2012-07-31-16.06.jpg
Lasioglossum_lineatulum,_female,_back_2012-07-13-17.34.jpg
Andrena_hippotes,_female,_back_2012-08-02-18.54.20_ZS_PMax.jpg
Andrena_commoda,_female,_side_2012-08-02-18.12.jpg
Lassioglossum-truncatum,-female,-face_2012-07-11-15.32.jpg
Andrena_carolina,_female_side_2012-08-02-17.41.30_ZS_PMax.jpg
Lasioglossum_eleutherense,_back_2012-08-01-13.54.58_ZS_PMax.jpg
Lasioglossum_sopinci,_male,_back_2012-08-09-16.32.06_ZS_PMax.jpg
Andrena_miranda,_female,_side_2012-10-26-16.01.34_ZS_PMax.jpg
Andrena_frigida,_male,_back_2012-08-02-18.22.04_ZS_PMax.jpg
Andrena_commoda,_female,_back_2012-08-02-17.55.47_ZS_PMax.jpg
Andrena_frigida,_male,_face_2012-08-02-18.29.27_ZS_PMax.jpg
Andrena_carolina,_female,_face_2012-08-02-17.48.17_ZS_PMax.jpg
Andrena_commoda,_female,_face_2012-08-02-18.06.00_ZS_PMax.jpg
Lasioglossum-pictum,-unknown,-back_2012-07-19-17.25.44-ZS-PMax.jpg
Lasioglossum_sopinci,_male,_side_2012-08-09-16.jpg
Anthidium_manicatum,_unkown,_face_2012-07-12-16.31.47_ZS_PMax.jpg
Anthidium_manicatum,_unkown,_back_2012-07-12-16.19.05_ZS_PMax.jpg
Dysdercus_ocreatus_U,_back,_Dominican_Republic_2012-12-04-17.10.17_ZS_PMax.jpg
Lasioglossum_desertum,_f,_ut,_garfield,_side_2015-06-12-19.10.34_ZS_PMax_UDR.jpg
Cerceris_hatuey,_Female,_Back,_Guantanamo_Bay,_Cuba_2012-11-01-16.44.18_ZS_PMax.jpg
Lasioglossum_nr_longifrons,_male,_back_1_2012-06-26-15.33.00_ZS_PMax.jpg
Lasioglossum-vierecki,-unknown,-side_2012-07-17-17.06.53-ZS-PMax.jpg
Lasioglossum_mestrei,_female,_face_2012-06-27-17.35.46_ZS_PMax.jpg
Lasioglossum-leucozonium,-side_2012-07-31-16.31.00-ZS-PMax.jpg
Lasioglossum_nr_longifrons,_female,_face_2012-06-26-16.00.21_ZS_PMax.jpg
Cerceris_hatuey,_Female,_Face,_Guantanamo_Bay,_Cuba_2012-11-01-16.50.59_ZS_PMax.jpg
Lasioglossum_sopinci,_male,_side_2012-08-09-16.50.59_ZS_PMax.jpg
Lasioglossum_mestrei,_female,_side_2012-06-27-17.46.24_ZS_PMax.jpg
Lasioglossum_nr_longifrons,_male,_back_2_2012-06-26-16.08.56_ZS_PMax.jpg
Lasioglossum_nr_longifrons,_male,_face_2012-06-26-16.16.31_ZS_PMax.jpg
Lasioglossum_nymphale,_back_2012-07-31-17.jpg
Cercesis_triangulata,F,_back_2,_Guantanamo_Bay_2012-11-01-17.10.54_ZS_PMax.jpg
Lasioglossum_forbesii,_F,_Side,_VA,_Warren_County_2015-07-24-18.04.13_ZS_PMax_UDR.jpg
Lasioglossum_forbesii,_washed,_F,_face,_VA,_Warren_County_2015-07-24-18.30.01_ZS_PMax_UDR.jpg
Megachile_concinna,_F,_face,_Dominican_Republic_2012-10-16-16.07.05_ZS_PMax.jpg
Trachusa_ridingsii,_F,_face,_Sandhills_NWR,_South_Carolina_2012-11-16-15.28.jpg
Ceratina_species_e,_U,_face,_Domincan_Republic_2012-10-23-16.06.29_ZS_PMax.jpg
Centris_errans,_F,_face,_San_Salvador_Island,_Bahamas_2012-11-13-10.51.39_ZS_PMax.jpg
Trachusa_ridingsii,_F,_Back2,_Sandhills_NWR,_South_Carolina_2012-11-16-15.21.jpg
Lasioglossum-marinum,-face_2012-07-31-16.52.00-ZS-PMax.jpg
Pepsis_ruficornis,U,_side,_Dominican_Republic_2012-11-29-14.39.jpg
Megachile_concinna,_F,_back,_Dominican_Republic_2012-10-16-15.56.58_ZS_PMax.jpg
Centris_errans,_F,_side,_San_Salvador_Island,_Bahamas_2012-11-13-10.58.33_ZS_PMax.jpg
Trachusa_ridingsii,_F,_Back1,_Sandhills_NWR,_South_Carolina_2012-11-16-15.09.jpg
Lasioglossum-foxii,-unkown,-side_2012-07-17-16.47.23-ZS-PMax.jpg
Pepsis_ruficornis,_U,_back,_Dominican_Republic_2012-11-29-14.25.28_ZS_PMax.jpg
Anthophora_affabilis,_M,_face,_Pennington_County,_South_Dakota_2012-11-15-16.21.13_ZS_PMax.jpg
Agapostemon_angelicus,_M,_face,_Pennington_County,_SD_2012-11-13-10.39.30_ZS_PMax.jpg
Agapostemon_angelicus,_M,_back,_Pennington_County,_SD_2012-11-13-10.34.38_ZS_PMax.jpg
Centris_fasciata,_male,_top_2_2012-06-25-15.11.28_ZS_PMax.jpg
Lassioglossum_microlepoides,_female-back_2012-06-13-17.49.42-ZS-PMax.jpg
Anthophora_affabilis,_M,_back,_Pennington_County,_South_Dakota_2012-11-15-16.15.35_ZS_PMax.jpg
Megachile_concinna,_F,_L._side,_Dominican_Republic_2012-10-16-16.20.15_ZS_PMax.jpg
Anthophora_occidentalis,_male,_face_2012-07-06-17.17.40_ZS_PMax.jpg
Beetle_3,_back_2012-06-20-15.37.05_ZS_PMax.jpg
Lasioglossum_leucozonium,_back_2012-07-31-16.jpg
Centris_poecila,_female,_side_2012-06-29-15.47.18_ZS_PMax.jpg
Anthophora_affabilis,_M,_side,_Pennington_County,_South_Dakota_2012-11-15-16.32.52_ZS_PMax.jpg
Lasioglossum_lineatulum,_female,_face_2012-07-12-17.04.jpg
Andrena_nasonii,_M,_face,_New_York,_Kings_County_2013-02-07-14.25.36_ZS_PMax.jpg
Agapostemon_coloradinus,_F,_face,_Pennington_Co.,_South_Dakota_2012-11-08-15.26.44_ZS_PMax.jpg
Centris_fasciata,_male,_rt._side_2012-06-27-16.38.08_ZS_PMax.jpg
Lasioglossum-foxii,-unkown,-back_2012-07-17-16.40.10-ZS-PMax.jpg
Andrena_nasonii,_F,_face,_New_York,_Kings_County_2013-02-07-14.10.38_ZS_PMax.jpg
Andrena_krigiana,_female,_back_2012-08-06-18.10.32_ZS_PMax.jpg
Lasioglossum_sedi,_F,_Side,_UT,_Garfield_County_2014-05-27-17.11.12_ZS_PMax.jpg
Lasioglossum_coriaceum,_F,_Side,_IN,_Porter_County_2014-04-11-16.39.05_ZS_PMax.jpg
Lasioglossum_cressonii,_f,_face,_Maine,_Du_Clos_2015-12-01-14.08.jpg
Lasioglossum_cressonii,_f,_back,_Maine,_Du_Clos_2015-12-01-13.50.jpg
Lasioglossum_cressonii,_f,_side,_Maine,_Du_Clos_2015-12-01-14.23.jpg
Lasioglossum_sedi,_F,_Face,_UT,_Garfield_County_2014-05-27-16.58.43_ZS_PMax.jpg
Lasioglossum_halophitum,_F,_back,_Florida,_St._Johns_County_2013-02-22-18.45.22_ZS_PMax.jpg
Lasioglossum_halophitum,_F,_side,_Florida,_St._Johns_County_2013-02-22-19.04.56_ZS_PMax.jpg
Lasioglossum_halophitum,_F,_face,_Florida,_St._Johns_County_2013-02-22-18.57.28_ZS_PMax.jpg
Andrena_nasonii,_F,_side,_New_York,_Kings_County_2013-02-07-14.17.02_ZS_PMax.jpg
Cuerna_species,_Leafhopper_2,_U,_side_2,_Fossil_Butte,_Wyoming_2012-10-25-13.04.17_ZS_PMax.jpg
Reticulitermes_flavipes,_U,_face_2012-10-17-11.20.jpg
Lasioglossum_sopinci,_male,_face_2012-08-09-16.40.44_ZS_PMax.jpg
Lasioglossum_nymphale,_F,_side,_Georgia,_Camden_County_2013-02-22-19.19.22_ZS_PMax.jpg
Andrena_hippotes,_female,_side_2012-08-02-19.11.03_ZS_PMax.jpg
Kleidocerys_resedae.,_U,_Back,_Maryland,_Dorchester_County_2013-01-25-15.50.13_ZS_PMax.jpg
Andrena_nasonii,_M,_side,_New_York,_Kings_County_2013-02-07-14.37.17_ZS_PMax.jpg
Terms of Use   Search of the Day